Collison, Robert Lewis <br/><br/>
Bibliographical services throughout the world, 1950-59 
by Robert L. Collison 
 - Paris  Unesco  1961 
 - 228 p. ; 21 cm. 
 - Unesco bibliographic handbooks  9 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliographical services--Bibliography